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CVE-2016-10321 — Vulnerability in web2py — CVE Details

CRITICAL

web2py is vulnerable to password brute-force attack

Published June 29, 2026Updated July 1, 2026Source: osv

Summary

web2py before 2.14.6 does not properly check if a host is denied before verifying passwords, allowing a remote attacker to perform brute-force attacks.

Advisory Timeline

  • First published June 29, 2026 (105 days ago).
  • Last revised July 1, 2026 — 2 days after initial publication.

Remediation

Upgrade to the fixed version using your package manager.

pip
Update web2py to 2.14.6 or later
pip install "web2py>=2.14.6"

After upgrading, run your dependency scanner again to confirm the vulnerability is resolved.

Affected Packages (1)

Affects 1 ecosystem: pypi (1).

PackageEcosystemAffectedFixed In
web2py
pypi
1.96.4, 1.98.2, 2.1.12.14.6

CVSS Score Breakdown

What the CVSS (Common Vulnerability Scoring System) 9.8 score means for each attack dimension.

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References

Frequently Asked Questions

What is CVE-2016-10321?
web2py is vulnerable to password brute-force attack This vulnerability has been assigned a severity rating of CRITICAL (CVSS score: 9.8/10).
How do I check if my project is affected by CVE-2016-10321?
CVE-2016-10321 affects web2py. Use GeekWala's free vulnerability scanner to check your dependencies against CVE-2016-10321 and 200,000+ other known vulnerabilities.

Severity & Exploitability

CVSS Score
9.8

Exploitation is straightforward and causes maximum impact. Patch immediately.

Also Known As

PYSEC-2026-569
GHSA-gv85-wgxc-vc56

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